17233( 2) - 19-Sep-2023 20:03:53 - [ 1] HUBBLE SPACE TELESCOPE OBSERVING PROGRAM 17233 Version: 2 Check-in Time: 19-Sep-2023 20:03:53 STScI Edit Number: 0 Title GOTCHA! Gravitational wave counterparts Observed wiTh CHAndra ------------------------------------------------------------------------------------ Type Cycle GO 30 ------------------------------------------------------------------------------------ Investigators Contact? PI: Dr. Eleonora Troja Universita di Roma Tor Vergata Y CoI: Brendan O'Connor Carnegie Mellon University N CoI: Simone Dichiara The Pennsylvania State University N CoI: Dr. Stephen Bradley Cenko NASA Goddard Space Flight Center N CoI: Geoffrey Ryan University of Maryland N CoI: Hendrik J VanEerten University of Bath N CoI: Dr. Ori Dosovitz Fox Space Telescope Science Institute N CoI: Dr. Nathaniel Butler Arizona State University N CoI: Dr. Robberto Ricci INAF, Istituto di Fisica Spaziale e Fisica N Cosmica-Bologna CoI: Dr. Jamie Kennea The Pennsylvania State University N CoI: Dr. William H. Lee Universidad Nacional Autonoma de Mexico N (UNAM) CoI: Dr. Alan Watson Universidad Nacional Autonoma de Mexico N (UNAM) CoI: Dr. Taka Sakamoto Aoyama Gakuin University N CoI: Dr. Amy Lien University of Tampa N CoI: Josefa Becerra-Gonzalez Instituto de Astrofisica de Canarias N CoI: Dr. Alexander Kutyrev University of Maryland N CoI: Dr. L. Piro CNR, Istituto di Astrofisica Spaziale N CoI: Dr. Gabriele Bruni Istit. di Astro. Spaziale e Fisica N Cosmica-Roma, INAF ------------------------------------------------------------------------------------ Abstract During the next science run (O4), planned to start in late 2022, the GW detectors will operate with an increased sensitivity, leading to routine detections of GW sources and their electromagnetic counterparts. We propose to exploit the unique capabilities of Chandra in conjunction with HST and the VLA to map out the diversity of these sources, probe their surrounding environment, and constrain the structure of their outflows. The next few detections of electromagnetic counterparts will shape our knowledge of GW sources for years to come, and the proposed observations will lead to seminal results in the nascent field of multi-messenger astronomy. ------------------------------------------------------------------------------------ Observations Description ------------------------ Each non-disruptive HST visit will consist of two orbits with the WFC3 camera, one split between optical filters (e.g. F435W, F606W, F814W) and the other one between IR filters (e.g. F125W, F160W) for a total of 8 orbits per target, and a total request of 16 orbits. ------------------------------------------------------------------------------------ 17233( 2) - 19-Sep-2023 20:03:53 - [ 2] TARGET LIST Generic Targets ------------------------------------------------------------------------------------------------------------------------------------ Tar| Target | Target | Selection Criteria | Flux data No | Name | Description | | ------------------------------------------------------------------------------------------------------------------------------------ 1 GWAFTERGLOW1 GW COUNTERPART V = 26 ------------------------------------------------------------------------------------------------------------------------------------ 2 GWAFTERGLOW2 GW COUNTERPART V = 26 ------------------------------------------------------------------------------------------------------------------------------------ 17233( 2) - 19-Sep-2023 20:03:53 - [ 3] Patterns ------------------------------------------------------------------------------------------------------------------------------------ Pattern_Number: 1 Primary_Pattern Secondary_Pattern Pattern_Type WFC3-IR-DITHER-BOX-MIN Pattern_Purpose DITHER Number_Of_Points 4 Point_Spacing 0.572 Line_Spacing 0.365 Coordinate_Frame POS-TARG Pattern_Orient 18.528 Angle_Between_Sides 74.653 Center_Pattern NO ------------------------------------------------------------------------------------------------------------------------------------ Pattern_Number: 2 Primary_Pattern Secondary_Pattern Pattern_Type LINE WFC3-IR-DITHER-BOX-MIN Pattern_Purpose DITHER DITHER Number_Of_Points 2 4 Point_Spacing 0.7 0.572 Line_Spacing 0.365 Coordinate_Frame POS-TARG POS-TARG Pattern_Orient 42 18.528 Angle_Between_Sides 74.653 Center_Pattern NO NO ------------------------------------------------------------------------------------------------------------------------------------ Pattern_Number: 3 Primary_Pattern Secondary_Pattern Pattern_Type WFC3-UVIS-DITHER-BOX Pattern_Purpose DITHER Number_Of_Points 4 Point_Spacing 0.173 Line_Spacing 0.112 Coordinate_Frame POS-TARG Pattern_Orient 23.884 Angle_Between_Sides 81.785 Center_Pattern NO ------------------------------------------------------------------------------------------------------------------------------------ Pattern_Number: 4 Primary_Pattern Secondary_Pattern Pattern_Type LINE WFC3-UVIS-DITHER-BOX Pattern_Purpose DITHER DITHER Number_Of_Points 2 4 Point_Spacing 0.145 0.173 Line_Spacing 0.112 Coordinate_Frame POS-TARG POS-TARG Pattern_Orient 46.84 23.884 Angle_Between_Sides 81.785 Center_Pattern NO NO ------------------------------------------------------------------------------------------------------------------------------------ 17233( 2) - 19-Sep-2023 20:03:53 - [ 4] Visit: 01 (UV3f) Visit Requirements: ON HOLD ; TOO RESPONSE TIME 21.0D On Hold Comments: GW trigger Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 GWAFTERGLOW WFC3/UVI ACCUM UVIS2-C1K F438W FLASH=19, CR-SPLIT=NO 1 120 S (480 PATTERN 3 1-3 1 S 1C-SUB S) ------------------------------------------------------------------------------------------------------------------------------------ 2 GWAFTERGLOW WFC3/UVI ACCUM UVIS2-C1K F814W FLASH=19, CR-SPLIT=NO 1 120 S (480 1 S 1C-SUB S) ------------------------------------------------------------------------------------------------------------------------------------ 3 GWAFTERGLOW WFC3/UVI ACCUM UVIS2-C1K F606W FLASH=19, CR-SPLIT=NO 1 90 S (360 1 S 1C-SUB S) ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ GWAFTERGLOW1 1 WFC3/UVI ACCUM UVIS2-C1 F438W 1 none none none 1 N/A S K1C-SUB GWAFTERGLOW1 1 WFC3/UVI ACCUM UVIS2-C1 F438W 2 none none none 1 N/A S K1C-SUB GWAFTERGLOW1 1 WFC3/UVI ACCUM UVIS2-C1 F438W 3 none none none 1 N/A S K1C-SUB GWAFTERGLOW1 1 WFC3/UVI ACCUM UVIS2-C1 F438W 4 none none none 1 N/A S K1C-SUB GWAFTERGLOW1 2 WFC3/UVI ACCUM UVIS2-C1 F814W 1 none none none 1 N/A S K1C-SUB GWAFTERGLOW1 2 WFC3/UVI ACCUM UVIS2-C1 F814W 2 none none none 1 N/A S K1C-SUB GWAFTERGLOW1 2 WFC3/UVI ACCUM UVIS2-C1 F814W 3 none none none 1 N/A S K1C-SUB GWAFTERGLOW1 2 WFC3/UVI ACCUM UVIS2-C1 F814W 4 none none none 1 N/A S K1C-SUB GWAFTERGLOW1 3 WFC3/UVI ACCUM UVIS2-C1 F606W 1 none none none 1 N/A S K1C-SUB GWAFTERGLOW1 3 WFC3/UVI ACCUM UVIS2-C1 F606W 2 none none none 1 N/A S K1C-SUB GWAFTERGLOW1 3 WFC3/UVI ACCUM UVIS2-C1 F606W 3 none none none 1 N/A S K1C-SUB GWAFTERGLOW1 3 WFC3/UVI ACCUM UVIS2-C1 F606W 4 none none none 1 N/A S K1C-SUB 17233( 2) - 19-Sep-2023 20:03:53 - [ 5] Visit: 02 (IR2f) Visit Requirements: ON HOLD ; TOO RESPONSE TIME 21.0D On Hold Comments: GW trigger Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 GWAFTERGLOW WFC3/IR MULTIAC IR F125W NSAMP=7, SAMP-SEQ=SPARS50 1 DEF PATTERN 1 1-2 1 CUM (1211.74 S) ------------------------------------------------------------------------------------------------------------------------------------ 2 GWAFTERGLOW WFC3/IR MULTIAC IR F160W NSAMP=6, SAMP-SEQ=SPARS50 1 DEF 1 CUM (1011.738 S) ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ GWAFTERGLOW1 1 WFC3/IR MULTIAC IR F125W 1 none none none 1 N/A CUM GWAFTERGLOW1 1 WFC3/IR MULTIAC IR F125W 2 none none none 1 N/A CUM GWAFTERGLOW1 1 WFC3/IR MULTIAC IR F125W 3 none none none 1 N/A CUM GWAFTERGLOW1 1 WFC3/IR MULTIAC IR F125W 4 none none none 1 N/A CUM GWAFTERGLOW1 2 WFC3/IR MULTIAC IR F160W 1 none none none 1 N/A CUM GWAFTERGLOW1 2 WFC3/IR MULTIAC IR F160W 2 none none none 1 N/A CUM GWAFTERGLOW1 2 WFC3/IR MULTIAC IR F160W 3 none none none 1 N/A CUM GWAFTERGLOW1 2 WFC3/IR MULTIAC IR F160W 4 none none none 1 N/A CUM 17233( 2) - 19-Sep-2023 20:03:53 - [ 6] Visit: 03 (IR1f) Visit Requirements: ON HOLD ; TOO RESPONSE TIME 21.0D On Hold Comments: GW trigger Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 GWAFTERGLOW WFC3/IR MULTIAC IR F160W NSAMP=13, SAMP-SEQ=SPARS50 1 DEF PATTERN 1 1 1 CUM (2411.751 S) ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ GWAFTERGLOW1 1 WFC3/IR MULTIAC IR F160W 1 none none none 1 N/A CUM GWAFTERGLOW1 1 WFC3/IR MULTIAC IR F160W 2 none none none 1 N/A CUM GWAFTERGLOW1 1 WFC3/IR MULTIAC IR F160W 3 none none none 1 N/A CUM GWAFTERGLOW1 1 WFC3/IR MULTIAC IR F160W 4 none none none 1 N/A CUM 17233( 2) - 19-Sep-2023 20:03:53 - [ 7] Visit: 04 (UV1f) Visit Requirements: ON HOLD ; TOO RESPONSE TIME 21.0D On Hold Comments: GW trigger Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 GWAFTERGLOW WFC3/UVI ACCUM UVIS F606W 1 550 S PATTERN 3 1 1 S see below (2360 S) ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ GWAFTERGLOW1 1 WFC3/UVI ACCUM UVIS F606W 1 none none none 1 620.0 S S GWAFTERGLOW1 1 WFC3/UVI ACCUM UVIS F606W 2 none none none 1 580.0 S S GWAFTERGLOW1 1 WFC3/UVI ACCUM UVIS F606W 3 none none none 1 580.0 S S GWAFTERGLOW1 1 WFC3/UVI ACCUM UVIS F606W 4 none none none 1 580.0 S S 17233( 2) - 19-Sep-2023 20:03:53 - [ 8] Visit: 05 (UV2o) Visit Requirements: ON HOLD ; TOO RESPONSE TIME 21.0D On Hold Comments: GW trigger Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 GWAFTERGLOW WFC3/UVI ACCUM UVIS F606W CR-SPLIT=NO 1 500 S PATTERN 4 1 1 S see below (4712 S) ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ GWAFTERGLOW1 1 WFC3/UVI ACCUM UVIS F606W 1 1 none none 1 590.0 S S GWAFTERGLOW1 1 WFC3/UVI ACCUM UVIS F606W 1 2 none none 1 590.0 S S GWAFTERGLOW1 1 WFC3/UVI ACCUM UVIS F606W 1 3 none none 1 590.0 S S GWAFTERGLOW1 1 WFC3/UVI ACCUM UVIS F606W 1 4 none none 1 590.0 S S GWAFTERGLOW1 1 WFC3/UVI ACCUM UVIS F606W 2 1 none none 2 588.0 S S GWAFTERGLOW1 1 WFC3/UVI ACCUM UVIS F606W 2 2 none none 2 588.0 S S GWAFTERGLOW1 1 WFC3/UVI ACCUM UVIS F606W 2 3 none none 2 588.0 S S GWAFTERGLOW1 1 WFC3/UVI ACCUM UVIS F606W 2 4 none none 2 588.0 S S 17233( 2) - 19-Sep-2023 20:03:53 - [ 9] Visit: 06 (IR2o) Visit Requirements: ON HOLD ; TOO RESPONSE TIME 21.0D On Hold Comments: GW trigger Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 GWAFTERGLOW WFC3/IR MULTIAC IR F160W NSAMP=13, SAMP-SEQ=SPARS50 1 DEF PATTERN 2 1 1 CUM (4823.502 S) ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ GWAFTERGLOW1 1 WFC3/IR MULTIAC IR F160W 1 1 none none 1 N/A CUM GWAFTERGLOW1 1 WFC3/IR MULTIAC IR F160W 1 2 none none 1 N/A CUM GWAFTERGLOW1 1 WFC3/IR MULTIAC IR F160W 1 3 none none 1 N/A CUM GWAFTERGLOW1 1 WFC3/IR MULTIAC IR F160W 1 4 none none 1 N/A CUM GWAFTERGLOW1 1 WFC3/IR MULTIAC IR F160W 2 1 none none 2 N/A CUM GWAFTERGLOW1 1 WFC3/IR MULTIAC IR F160W 2 2 none none 2 N/A CUM GWAFTERGLOW1 1 WFC3/IR MULTIAC IR F160W 2 3 none none 2 N/A CUM GWAFTERGLOW1 1 WFC3/IR MULTIAC IR F160W 2 4 none none 2 N/A CUM 17233( 2) - 19-Sep-2023 20:03:53 - [ 10] Visit: 07 (IR1f) Visit Requirements: ON HOLD ; TOO RESPONSE TIME 21.0D On Hold Comments: GW trigger Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 GWAFTERGLOW WFC3/IR MULTIAC IR F160W NSAMP=13, SAMP-SEQ=SPARS50 1 DEF PATTERN 1 1 2 CUM (2411.751 S) ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ GWAFTERGLOW2 1 WFC3/IR MULTIAC IR F160W 1 none none none 1 N/A CUM GWAFTERGLOW2 1 WFC3/IR MULTIAC IR F160W 2 none none none 1 N/A CUM GWAFTERGLOW2 1 WFC3/IR MULTIAC IR F160W 3 none none none 1 N/A CUM GWAFTERGLOW2 1 WFC3/IR MULTIAC IR F160W 4 none none none 1 N/A CUM 17233( 2) - 19-Sep-2023 20:03:53 - [ 11] Visit: 08 (UV1f) Visit Requirements: ON HOLD ; TOO RESPONSE TIME 21.0D On Hold Comments: GW trigger Additional Comments: Exposures ------------------------------------------------------------------------------------------------------------------------------------ Exp | Target | Instr | Oper. | Aper |Spectral|Central| Optional |Num| Time | Special Num | Name | Config | Mode | or FOV |Element |Waveln.| Parameters |Exp| (Total) | Requirements ------------------------------------------------------------------------------------------------------------------------------------ 1 GWAFTERGLOW WFC3/UVI ACCUM UVIS F606W 1 550 S PATTERN 3 1 2 S see below (2360 S) ------------------------------------------------------------------------------------------------------------------------------------ Sub Exposures ------------------------------------------------------------------------------------------------------------------------------------ Target | Exp |Instr | Oper. | Aper |Spectral|Cent.|Primary |Secondary |Iteration |CR-SPLIT |Orbit |Duration Name | Num |Config | Mode | or FOV |Element |Wave.|Pattern Pos |Pattern Pos |Num |Num |Number | ------------------------------------------------------------------------------------------------------------------------------------ GWAFTERGLOW2 1 WFC3/UVI ACCUM UVIS F606W 1 none none none 1 620.0 S S GWAFTERGLOW2 1 WFC3/UVI ACCUM UVIS F606W 2 none none none 1 580.0 S S GWAFTERGLOW2 1 WFC3/UVI ACCUM UVIS F606W 3 none none none 1 580.0 S S GWAFTERGLOW2 1 WFC3/UVI ACCUM UVIS F606W 4 none none none 1 580.0 S S 17233( 2) - 19-Sep-2023 20:03:53 - [ 12] Summary Form for Proposal 17233 Item Used in this proposal ------------------------------------------------------------------------------------------------------------------------------------ Apertures IR, UVIS, UVIS2-C1K1C-SUB ------------------------------------------------------------------------------------------------------------------------------------ Configurations WFC3/IR, WFC3/UVIS ------------------------------------------------------------------------------------------------------------------------------------ Opmodes ACCUM, MULTIACCUM ------------------------------------------------------------------------------------------------------------------------------------ Optional Parameters CR-SPLIT=NO, FLASH=19, NSAMP=13, NSAMP=6, NSAMP=7, SAMP-SEQ=SPARS50 ------------------------------------------------------------------------------------------------------------------------------------ Special Requirements ON HOLD , PATTERN 1 1, PATTERN 1 1-2, PATTERN 2 1, PATTERN 3 1, PATTERN 3 1-3, PATTERN 4 1, TOO RESPONSE TIME 21.0D ------------------------------------------------------------------------------------------------------------------------------------ Spectral Elements F125W, F160W, F438W, F606W, F814W ------------------------------------------------------------------------------------------------------------------------------------ Target Names GWAFTERGLOW1, GWAFTERGLOW2 ------------------------------------------------------------------------------------------------------------------------------------